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Emergence of the Kennicutt-Schmidt relation from the small-scale SFR-density relation

Gnedin, Nickolay; Tasker, Elizabeth J.; Fujimoto, Yusuke

Description

We use simulations of isolated galaxies with a few parsec resolution to explore the connection between the small-scale star formation rate (SFR)-gas density relation and the induced large-scale correlation between the SFR surface density and the surface density of the molecular gas (the Kennicutt-Schmidt relation). We find that, in the simulations, a power-law small-scale "star formation law" directly translates into an identical power-law Kennicutt-Schmidt relation. If this conclusion holds in...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/153581
Source: Astrophysical Journal Letters
DOI: 10.1088/2041-8205/787/1/L7

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